Mirza Jabbar Asgarzadeh( Persian:میرزا جبار عسگرزاده) (often known as Jabbar Baghtcheban ( Persian: جبار باغچه بان)) established the first Iranian kindergarten for the deaf, and is credited as the inventor of Persian sign language.[1]

Mirza Jabbar Asgarzadeh( Persian:میرزا جبار عسگرزاده) (often known as Jabbar Baghtcheban ( Persian: جبار باغچه بان)) established the first Iranian kindergarten for the deaf, and is credited as the inventor of Persian sign language.[1]

Mirza Jabbar Asgarzadeh( Persian:میرزا جبار عسگرزاده) (often known as Jabbar Baghtcheban ( Persian: جبار باغچه بان)) established the first Iranian kindergarten for the deaf, and is credited as the inventor of Persian sign language.[1]